--- a/misc/libfreetype/src/gxvalid/gxvcommn.h Tue Jul 16 11:14:27 2013 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,565 +0,0 @@
-/***************************************************************************/
-/* */
-/* gxvcommn.h */
-/* */
-/* TrueTypeGX/AAT common tables validation (specification). */
-/* */
-/* Copyright 2004, 2005 by suzuki toshiya, Masatake YAMATO, Red Hat K.K., */
-/* David Turner, Robert Wilhelm, and Werner Lemberg. */
-/* */
-/* This file is part of the FreeType project, and may only be used, */
-/* modified, and distributed under the terms of the FreeType project */
-/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
-/* this file you indicate that you have read the license and */
-/* understand and accept it fully. */
-/* */
-/***************************************************************************/
-
-/***************************************************************************/
-/* */
-/* gxvalid is derived from both gxlayout module and otvalid module. */
-/* Development of gxlayout is supported by the Information-technology */
-/* Promotion Agency(IPA), Japan. */
-/* */
-/***************************************************************************/
-
-
- /*
- * keywords in variable naming
- * ---------------------------
- * table: Of type FT_Bytes, pointing to the start of this table/subtable.
- * limit: Of type FT_Bytes, pointing to the end of this table/subtable,
- * including padding for alignment.
- * offset: Of type FT_UInt, the number of octets from the start to target.
- * length: Of type FT_UInt, the number of octets from the start to the
- * end in this table/subtable, including padding for alignment.
- *
- * _MIN, _MAX: Should be added to the tail of macros, as INT_MIN, etc.
- */
-
-
-#ifndef __GXVCOMMN_H__
-#define __GXVCOMMN_H__
-
-
-#include <ft2build.h>
-#include "gxvalid.h"
-#include FT_INTERNAL_DEBUG_H
-#include FT_SFNT_NAMES_H
-
-
-FT_BEGIN_HEADER
-
-
- /*************************************************************************/
- /*************************************************************************/
- /***** *****/
- /***** VALIDATION *****/
- /***** *****/
- /*************************************************************************/
- /*************************************************************************/
-
- typedef struct GXV_ValidatorRec_* GXV_Validator;
-
-
-#define DUMMY_LIMIT 0
-
- typedef void
- (*GXV_Validate_Func)( FT_Bytes table,
- FT_Bytes limit,
- GXV_Validator valid );
-
-
- /* ====================== LookupTable Validator ======================== */
-
- typedef union GXV_LookupValueDesc_
- {
- FT_UShort u;
- FT_Short s;
-
- } GXV_LookupValueDesc;
-
- typedef const GXV_LookupValueDesc* GXV_LookupValueCPtr;
-
- typedef enum GXV_LookupValue_SignSpec_
- {
- GXV_LOOKUPVALUE_UNSIGNED = 0,
- GXV_LOOKUPVALUE_SIGNED
-
- } GXV_LookupValue_SignSpec;
-
-
- typedef void
- (*GXV_Lookup_Value_Validate_Func)( FT_UShort glyph,
- GXV_LookupValueCPtr value_p,
- GXV_Validator valid );
-
- typedef GXV_LookupValueDesc
- (*GXV_Lookup_Fmt4_Transit_Func)( FT_UShort relative_gindex,
- GXV_LookupValueCPtr base_value_p,
- FT_Bytes lookuptbl_limit,
- GXV_Validator valid );
-
-
- /* ====================== StateTable Validator ========================= */
-
- typedef enum GXV_GlyphOffset_Format_
- {
- GXV_GLYPHOFFSET_NONE = -1,
- GXV_GLYPHOFFSET_UCHAR = 2,
- GXV_GLYPHOFFSET_CHAR,
- GXV_GLYPHOFFSET_USHORT = 4,
- GXV_GLYPHOFFSET_SHORT,
- GXV_GLYPHOFFSET_ULONG = 8,
- GXV_GLYPHOFFSET_LONG
-
- } GXV_GlyphOffset_Format;
-
-
-#define GXV_GLYPHOFFSET_FMT( table ) \
- ( valid->table.entry_glyphoffset_fmt )
-
-#define GXV_GLYPHOFFSET_SIZE( table ) \
- ( valid->table.entry_glyphoffset_fmt / 2 )
-
-
- /* ----------------------- 16bit StateTable ---------------------------- */
-
- typedef union GXV_StateTable_GlyphOffsetDesc_
- {
- FT_Byte uc;
- FT_UShort u; /* same as GXV_LookupValueDesc */
- FT_ULong ul;
- FT_Char c;
- FT_Short s; /* same as GXV_LookupValueDesc */
- FT_Long l;
-
- } GXV_StateTable_GlyphOffsetDesc;
-
- typedef const GXV_StateTable_GlyphOffsetDesc* GXV_StateTable_GlyphOffsetCPtr;
-
- typedef void
- (*GXV_StateTable_Subtable_Setup_Func)( FT_UShort table_size,
- FT_UShort classTable,
- FT_UShort stateArray,
- FT_UShort entryTable,
- FT_UShort* classTable_length_p,
- FT_UShort* stateArray_length_p,
- FT_UShort* entryTable_length_p,
- GXV_Validator valid );
-
- typedef void
- (*GXV_StateTable_Entry_Validate_Func)(
- FT_Byte state,
- FT_UShort flags,
- GXV_StateTable_GlyphOffsetCPtr glyphOffset_p,
- FT_Bytes statetable_table,
- FT_Bytes statetable_limit,
- GXV_Validator valid );
-
- typedef void
- (*GXV_StateTable_OptData_Load_Func)( FT_Bytes table,
- FT_Bytes limit,
- GXV_Validator valid );
-
- typedef struct GXV_StateTable_ValidatorRec_
- {
- GXV_GlyphOffset_Format entry_glyphoffset_fmt;
- void* optdata;
-
- GXV_StateTable_Subtable_Setup_Func subtable_setup_func;
- GXV_StateTable_Entry_Validate_Func entry_validate_func;
- GXV_StateTable_OptData_Load_Func optdata_load_func;
-
- } GXV_StateTable_ValidatorRec, *GXV_StateTable_ValidatorRecData;
-
-
- /* ---------------------- 32bit XStateTable ---------------------------- */
-
- typedef GXV_StateTable_GlyphOffsetDesc GXV_XStateTable_GlyphOffsetDesc;
-
- typedef const GXV_XStateTable_GlyphOffsetDesc* GXV_XStateTable_GlyphOffsetCPtr;
-
- typedef void
- (*GXV_XStateTable_Subtable_Setup_Func)( FT_ULong table_size,
- FT_ULong classTable,
- FT_ULong stateArray,
- FT_ULong entryTable,
- FT_ULong* classTable_length_p,
- FT_ULong* stateArray_length_p,
- FT_ULong* entryTable_length_p,
- GXV_Validator valid );
-
- typedef void
- (*GXV_XStateTable_Entry_Validate_Func)(
- FT_UShort state,
- FT_UShort flags,
- GXV_StateTable_GlyphOffsetCPtr glyphOffset_p,
- FT_Bytes xstatetable_table,
- FT_Bytes xstatetable_limit,
- GXV_Validator valid );
-
-
- typedef GXV_StateTable_OptData_Load_Func GXV_XStateTable_OptData_Load_Func;
-
-
- typedef struct GXV_XStateTable_ValidatorRec_
- {
- int entry_glyphoffset_fmt;
- void* optdata;
-
- GXV_XStateTable_Subtable_Setup_Func subtable_setup_func;
- GXV_XStateTable_Entry_Validate_Func entry_validate_func;
- GXV_XStateTable_OptData_Load_Func optdata_load_func;
-
- FT_ULong nClasses;
- FT_UShort maxClassID;
-
- } GXV_XStateTable_ValidatorRec, *GXV_XStateTable_ValidatorRecData;
-
-
- /* ===================================================================== */
-
- typedef struct GXV_ValidatorRec_
- {
- FT_Validator root;
-
- FT_Face face;
- void* table_data;
-
- FT_ULong subtable_length;
-
- GXV_LookupValue_SignSpec lookupval_sign;
- GXV_Lookup_Value_Validate_Func lookupval_func;
- GXV_Lookup_Fmt4_Transit_Func lookupfmt4_trans;
- FT_Bytes lookuptbl_head;
-
- GXV_StateTable_ValidatorRec statetable;
- GXV_XStateTable_ValidatorRec xstatetable;
-
-#ifdef FT_DEBUG_LEVEL_TRACE
- FT_UInt debug_indent;
- const FT_String* debug_function_name[3];
-#endif
-
- } GXV_ValidatorRec;
-
-
-#define GXV_TABLE_DATA( tag, field ) \
- ( ( (GXV_ ## tag ## _Data)valid->table_data )->field )
-
-#undef FT_INVALID_
-#define FT_INVALID_( _prefix, _error ) \
- ft_validator_error( valid->root, _prefix ## _error )
-
-#define GXV_LIMIT_CHECK( _count ) \
- FT_BEGIN_STMNT \
- if ( p + _count > ( limit? limit : valid->root->limit ) ) \
- FT_INVALID_TOO_SHORT; \
- FT_END_STMNT
-
-
-#ifdef FT_DEBUG_LEVEL_TRACE
-
-#define GXV_INIT valid->debug_indent = 0
-
-#define GXV_NAME_ENTER( name ) \
- FT_BEGIN_STMNT \
- valid->debug_indent += 2; \
- FT_TRACE4(( "%*.s", valid->debug_indent, 0 )); \
- FT_TRACE4(( "%s table\n", name )); \
- FT_END_STMNT
-
-#define GXV_EXIT valid->debug_indent -= 2
-
-#define GXV_TRACE( s ) \
- FT_BEGIN_STMNT \
- FT_TRACE4(( "%*.s", valid->debug_indent, 0 )); \
- FT_TRACE4( s ); \
- FT_END_STMNT
-
-#else /* !FT_DEBUG_LEVEL_TRACE */
-
-#define GXV_INIT do { } while ( 0 )
-#define GXV_NAME_ENTER( name ) do { } while ( 0 )
-#define GXV_EXIT do { } while ( 0 )
-
-#define GXV_TRACE( s ) do { } while ( 0 )
-
-#endif /* !FT_DEBUG_LEVEL_TRACE */
-
-
- /*************************************************************************/
- /*************************************************************************/
- /***** *****/
- /***** 32bit alignment checking *****/
- /***** *****/
- /*************************************************************************/
- /*************************************************************************/
-
-#define GXV_32BIT_ALIGNMENT_VALIDATE( a ) \
- FT_BEGIN_STMNT \
- { \
- if ( 0 != ( (a) % 4 ) ) \
- FT_INVALID_OFFSET ; \
- } \
- FT_END_STMNT
-
-
- /*************************************************************************/
- /*************************************************************************/
- /***** *****/
- /***** Dumping Binary Data *****/
- /***** *****/
- /*************************************************************************/
- /*************************************************************************/
-
-#define GXV_TRACE_HEXDUMP( p, len ) \
- FT_BEGIN_STMNT \
- { \
- FT_Bytes b; \
- \
- \
- for ( b = p; b < (FT_Bytes)p + len; b++ ) \
- FT_TRACE1(("\\x%02x", *b)) ; \
- } \
- FT_END_STMNT
-
-#define GXV_TRACE_HEXDUMP_C( p, len ) \
- FT_BEGIN_STMNT \
- { \
- FT_Bytes b; \
- \
- \
- for ( b = p; b < (FT_Bytes)p + len; b++ ) \
- if ( 0x40 < *b && *b < 0x7e ) \
- FT_TRACE1(("%c", *b)) ; \
- else \
- FT_TRACE1(("\\x%02x", *b)) ; \
- } \
- FT_END_STMNT
-
-#define GXV_TRACE_HEXDUMP_SFNTNAME( n ) \
- GXV_TRACE_HEXDUMP( n.string, n.string_len )
-
-
- /*************************************************************************/
- /*************************************************************************/
- /***** *****/
- /***** LOOKUP TABLE *****/
- /***** *****/
- /*************************************************************************/
- /*************************************************************************/
-
- FT_LOCAL( void )
- gxv_BinSrchHeader_validate( FT_Bytes p,
- FT_Bytes limit,
- FT_UShort* unitSize_p,
- FT_UShort* nUnits_p,
- GXV_Validator valid );
-
- FT_LOCAL( void )
- gxv_LookupTable_validate( FT_Bytes table,
- FT_Bytes limit,
- GXV_Validator valid );
-
-
- /*************************************************************************/
- /*************************************************************************/
- /***** *****/
- /***** Glyph ID *****/
- /***** *****/
- /*************************************************************************/
- /*************************************************************************/
-
- FT_LOCAL( FT_Int )
- gxv_glyphid_validate( FT_UShort gid,
- GXV_Validator valid );
-
-
- /*************************************************************************/
- /*************************************************************************/
- /***** *****/
- /***** CONTROL POINT *****/
- /***** *****/
- /*************************************************************************/
- /*************************************************************************/
-
- FT_LOCAL( void )
- gxv_ctlPoint_validate( FT_UShort gid,
- FT_Short ctl_point,
- GXV_Validator valid );
-
-
- /*************************************************************************/
- /*************************************************************************/
- /***** *****/
- /***** SFNT NAME *****/
- /***** *****/
- /*************************************************************************/
- /*************************************************************************/
-
- FT_LOCAL( void )
- gxv_sfntName_validate( FT_UShort name_index,
- FT_UShort min_index,
- FT_UShort max_index,
- GXV_Validator valid );
-
-
- /*************************************************************************/
- /*************************************************************************/
- /***** *****/
- /***** STATE TABLE *****/
- /***** *****/
- /*************************************************************************/
- /*************************************************************************/
-
- FT_LOCAL( void )
- gxv_StateTable_subtable_setup( FT_UShort table_size,
- FT_UShort classTable,
- FT_UShort stateArray,
- FT_UShort entryTable,
- FT_UShort* classTable_length_p,
- FT_UShort* stateArray_length_p,
- FT_UShort* entryTable_length_p,
- GXV_Validator valid );
-
- FT_LOCAL( void )
- gxv_XStateTable_subtable_setup( FT_ULong table_size,
- FT_ULong classTable,
- FT_ULong stateArray,
- FT_ULong entryTable,
- FT_ULong* classTable_length_p,
- FT_ULong* stateArray_length_p,
- FT_ULong* entryTable_length_p,
- GXV_Validator valid );
-
- FT_LOCAL( void )
- gxv_StateTable_validate( FT_Bytes table,
- FT_Bytes limit,
- GXV_Validator valid );
-
- FT_LOCAL( void )
- gxv_XStateTable_validate( FT_Bytes table,
- FT_Bytes limit,
- GXV_Validator valid );
-
-
- /*************************************************************************/
- /*************************************************************************/
- /***** *****/
- /***** UTILITY MACROS AND FUNCTIONS *****/
- /***** *****/
- /*************************************************************************/
- /*************************************************************************/
-
- FT_LOCAL( void )
- gxv_array_getlimits_byte( FT_Bytes table,
- FT_Bytes limit,
- FT_Byte* min,
- FT_Byte* max,
- GXV_Validator valid );
-
- FT_LOCAL( void )
- gxv_array_getlimits_ushort( FT_Bytes table,
- FT_Bytes limit,
- FT_UShort* min,
- FT_UShort* max,
- GXV_Validator valid );
-
- FT_LOCAL( void )
- gxv_set_length_by_ushort_offset( FT_UShort* offset,
- FT_UShort** length,
- FT_UShort* buff,
- FT_UInt nmemb,
- FT_UShort limit,
- GXV_Validator valid );
-
- FT_LOCAL( void )
- gxv_set_length_by_ulong_offset( FT_ULong* offset,
- FT_ULong** length,
- FT_ULong* buff,
- FT_UInt nmemb,
- FT_ULong limit,
- GXV_Validator valid);
-
-
-#define GXV_SUBTABLE_OFFSET_CHECK( _offset ) \
- FT_BEGIN_STMNT \
- if ( (_offset) > valid->subtable_length ) \
- FT_INVALID_OFFSET; \
- FT_END_STMNT
-
-#define GXV_SUBTABLE_LIMIT_CHECK( _count ) \
- FT_BEGIN_STMNT \
- if ( ( p + (_count) - valid->subtable_start ) > \
- valid->subtable_length ) \
- FT_INVALID_TOO_SHORT; \
- FT_END_STMNT
-
-#define GXV_USHORT_TO_SHORT( _us ) \
- ( ( 0x8000U < ( _us ) ) ? ( ( _us ) - 0x8000U ) : ( _us ) )
-
-#define GXV_STATETABLE_HEADER_SIZE ( 2 + 2 + 2 + 2 )
-#define GXV_STATEHEADER_SIZE GXV_STATETABLE_HEADER_SIZE
-
-#define GXV_XSTATETABLE_HEADER_SIZE ( 4 + 4 + 4 + 4 )
-#define GXV_XSTATEHEADER_SIZE GXV_XSTATETABLE_HEADER_SIZE
-
-
- /*************************************************************************/
- /*************************************************************************/
- /***** *****/
- /***** Table overlapping *****/
- /***** *****/
- /*************************************************************************/
- /*************************************************************************/
-
- typedef struct GXV_odtect_DataRec_
- {
- FT_Bytes start;
- FT_ULong length;
- FT_String* name;
-
- } GXV_odtect_DataRec, *GXV_odtect_Data;
-
- typedef struct GXV_odtect_RangeRec_
- {
- FT_UInt nRanges;
- GXV_odtect_Data range;
-
- } GXV_odtect_RangeRec, *GXV_odtect_Range;
-
-
- FT_LOCAL( void )
- gxv_odtect_add_range( FT_Bytes start,
- FT_ULong length,
- const FT_String* name,
- GXV_odtect_Range odtect );
-
- FT_LOCAL( void )
- gxv_odtect_validate( GXV_odtect_Range odtect,
- GXV_Validator valid );
-
-
-#define GXV_ODTECT( n, odtect ) \
- GXV_odtect_DataRec odtect ## _range[n]; \
- GXV_odtect_RangeRec odtect ## _rec = { 0, NULL }; \
- GXV_odtect_Range odtect = NULL
-
-#define GXV_ODTECT_INIT( odtect ) \
- FT_BEGIN_STMNT \
- odtect ## _rec.nRanges = 0; \
- odtect ## _rec.range = odtect ## _range; \
- odtect = & odtect ## _rec; \
- FT_END_STMNT
-
-
- /* */
-
-FT_END_HEADER
-
-#endif /* __GXVCOMMN_H__ */
-
-
-/* END */